From 4d205ba0b81dcf5edb669c2f09e8ab1ce4833ceb Mon Sep 17 00:00:00 2001
From: knolax <1339802534.kk@gmail.com>
Date: Thu, 19 Jan 2017 13:21:46 +0000
Subject: added debug mode

---
 letters.go | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/letters.go b/letters.go
index 868fac1..cc0a154 100644
--- a/letters.go
+++ b/letters.go
@@ -6,6 +6,7 @@ import (
 	"io/ioutil"
 	"errors"
 	"strconv"
+	"flag"
 )
 type runedata struct {
 	Field [5][5]bool;
@@ -126,8 +127,13 @@ func main () () {
 	var frune rune = '9';
 	var brune rune = '9';
 	var cover int = 0;
+	var debugp *bool;
+	debugp = flag.Bool("debug",false,"whether or not debug commands are printed");
+	flag.Parse();
 	inpreader := bufio.NewReader(os.Stdin);
-	fmt.Println("%[0-9] for foreground color, $[0-9] for background color, [ to replace using $9%9 returns the terminal to defaults");
+	if *debugp {
+		fmt.Println("%[0-9] for foreground color, $[0-9] for background color, [ to replace using $9%9 returns the terminal to defaults");
+	}
 	var trune rune ;
 	trune , _ ,_ = inpreader.ReadRune()
 	for trune != '\n' {
@@ -144,7 +150,9 @@ func main () () {
 					if (inp[i] <= '9') && (inp[i] >= '0') {
 						frune = inp[i];
 						err = coloradd(frune,brune);
-						fmt.Println("setting foreground color %c",inp[i]);
+						if *debugp {
+							fmt.Println("setting foreground color %c",inp[i]);
+						}
 					}
 				break;
 				case '$':
@@ -152,7 +160,9 @@ func main () () {
 					if (inp[i] <= '9') && (inp[i] >= '0') {
 						brune = inp[i];
 						err = coloradd(frune,brune);
-						fmt.Println("setting background color %c",inp[i]);
+						if *debugp {
+							fmt.Println("setting background color %c",inp[i]);
+						}
 					}
 				break;
 				default :
@@ -189,6 +199,8 @@ func main () () {
 		fmt.Printf("\n");
 		i++;
 	}
-	err = ioutil.WriteFile(string(inp),[]byte(tmpstring),0777);
-	errc(err);
+	if *debugp {
+		err = ioutil.WriteFile(string(inp),[]byte(tmpstring),0777);
+		errc(err);
+	}
 }
-- 
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